Home / 21,688.71-32,542.38-6,898.83

Finding the Fourth Proportional to 21,688.71, 32,542.38 and 6,898.83

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Solution

The fourth proportional to 21,688.71, 32,542.38 and 6,898.83 is: 10,351.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,688.71 : 32,542.38 = 6,898.83 : x
  2. Step 2: Convert to fraction form
    21,688.71/32,542.38 = 6,898.83/x
  3. Step 3: Cross multiply
    21,688.71x = 32,542.38 × 6,898.83
  4. Step 4: Simplify right side
    21,688.71x = 224,504,347.42
  5. Step 5: Solve for x
    x = 224,504,347.42/21,688.71
  6. Step 6: Final answer
    x = 10,351.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.